consulate in benghazi, libya. mourners leaned the streets of doherty's home town, winchester, massachusetts. that's his childhood home where the hearse stopped briefly. doherty was 42, a former navy seal. he was part of a security team for ambassador chris stevens, who was also killed in the attack. there are still a lot of ed qswered questions about the attack that killed the four the fans. elizabeth palmer has been investigating on the ground in benghazi, and that's where she joins us this evening. elizabeth, we were told initially that the four ntericans were killed as part of a riot over that anti-islamic film that was produced in america that has caused so much unrest in the middle east. but what have you been finding out? >> reporter: most people we talk to, including neighbors around the consulate, say there was absolutely no demonstration, udin in fact, the attack began when a group of armed men, as many as 100, showed up at the t-me time, at both the compound's main gates and began firing, both with guns